Unfortunately your contribution cannot be approved.
The application works as was implemented by the developer, the said features do not work when the "low data mode " option is set to on in the settings. Viewing Facebook in its basic mode does not support those features. To allow for this features,
- go to settings,
- scroll down till you reach the general header
- Uncheck the "low data mode" option
- Go back to the homepage
- Now click on the plus sign to access the functions you listed.
- Click on post status or any other. You'll see that it works.